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7334990 |
Supersonic compressor
A gas compressor based on the use of a driven rotor having an axially oriented compression ramp traveling at a local supersonic inlet velocity (based on the combination of inlet gas velocity and...
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6510683 |
Apparatus for power generation with low drag rotor and ramjet assembly
An apparatus (100) for generation of mechanical and electrical power. Ramjet type thrust modules (102a, 102b) operate at supersonic speeds (preferably Mach 3 to 4) at the distal or tip ends (116a,...
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6250069 |
***WITHDRAWN PATENT AS PER THE LATEST USPTO WITHDRAWN LIST***
Apparatus for power generation with low drag rotor and ramjet assembly
An apparatus (100) for generation of mechanical and electrical power. Ramjet type thrust modules (102a, 102b) operate at supersonic speeds (preferably Mach 3 to 4) at the distal or tip ends (116a,...
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5984635 |
Keller pressure jet rotor system
A helicopter aircraft with an upper hollow center circular plenum in gaseous communication with a plurality of hollow hinged attached rotor blades. Below the plenum and in gaseous communication...
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5934873 |
Helicopter rotor tip jet
A helicopter includes a rotor tip jet engine which combines ram compression and centrifugal compression to increase the thrust. A first flow of fuel is dispersed in the ram air and is carried into...
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5372005 |
Method and apparatus for power generation
Thrust modules are provided at the distal ends of a low aerodynamic drag rotor. The rotor is affixed at a central hub to a shaft, and rotates about an axis defined by the shaft. In the preferred...
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4702437 |
Electric air-driven helicopter
A helicopter has a low profile electric motor mounted in each of the rotor blades to drive a cross-flow fan which draws air in through a slot at the leading edge of the blade and forces it out...
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4577460 |
Method and apparatus for generating energy
This is a new method and apparatus for providing electrical or mechanical power output from the energy in low cost fuels in which a mechanism is mounted for rotation with one or more jet propulsion...
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4010919 |
Autogyro having blade tip jets
This invention relates to an improved design for autogyros. It involves a more desirable layout of cockpit/engine placement than heretofore thought of. It provides for improved efficiency,...
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3865508 |
RAMJET POWERED ROTOR BLADE
An airfoil shaped, tip mounted ramjet is disclosed for powering a horizontal rotor of a vertically ascending and descending aircraft. The ramjet exhaust port is selectively opened and closed by an...
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3699771 |
ROTARY WING AIRCRAFT LIFT AND PROPULSION METHOD AND SYSTEMS
A rotary wing aircraft lift and propulsion method and system in which burner thruster units mounted on the lift-producing rotor at a position spaced radially from the axis of the rotor generate...
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3371718 |
Rotary jet reaction motors
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3299961 |
Helicopter rotor
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3279546 |
Rotor-tip-mounted propulsion system for helicopters
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3259195 |
Aircraft with non-combustion, air reaction engine
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3251421 |
Rotor member for a rotary wing aircraft
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3203485 |
Rotating mounting system for helicopter auxiliary equipment
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3195649 |
Aircraft engine lubrication system
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3186491 |
Helicopter drive system utilizing tip mounted fans
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3180424 |
Propeller structure
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3143174 |
Fuel control installation for a rotating ram jet unit on a propeller blade
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3111992 |
Rotor sustentation and propulsion means of jet type
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3108640 |
Structural connection between rotatable parts
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3067541 |
Agricultural method and apparatus for heating, treating, and circulating air
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2984305 |
Aircraft lifting rotor with rotary valve ram jet engine having explosion cycle
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2984304 |
Helicopter lifting rotor having a propulsion unit at the blade tip
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2965178 |
Fuel control means for rotary wing aircraft
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2955657 |
Turbine and rotor arrangement and drive means
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2950763 |
Jet driven rotor
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2943685 |
Fuel supply control for rotary wing aircraft
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2941600 |
Helicopter propulsion system
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2931441 |
Jet-driven helicopter rotor
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2868302 |
Auxiliary rotor air foil means
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2862680 |
Helicopter
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2843210 |
Angle mounted tip engine for aircraft sustaining rotor
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2795283 |
Helicopter rotor ram jet drive
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2782861 |
Helicopter blades and thrust augmenters therefor
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